	#all
	{
		background-size: 100% 100%;
		background-color: #1E90ff;
	}
	#front
	{
		width: 100%;
		height: 30%;
		background-size: 100% 10%;
		background-color: #1E90ff;
		color: #fff;
		word-spacing: 100%;
		font-family: "黑体",serif;
		font-size: 300%;
		text-align: center;
	}

	#white
	{
		width: 100%;
		height: 40%;
		background-size: 100% 100%;
		background-color: #1E90ff;
		padding-bottom: 10%;
	}
	#login
	{
		width: 30%;
		height: 40%;
		background-size: 100% 100%;
		background-color: #fff;
		position: relative;
		left: 35%;
		top: 50%;
		word-spacing: 50%;
		font-family: "黑体",serif;
		text-align: center;
	}
	#title
	{
		font-size: 200%;
		padding: 10% 10% 10% 10%
	}
	#input
	{
		font-size: 100%;
	}
	#user
	{
		padding-bottom: 3%;
	}
	#password
	{
		padding-bottom: 5%;
	}
	#button
	{
		padding-bottom: 10%
	}